board/freescale/common/emc2305.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2018 NXP.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <command.h>
  10 #include <i2c.h>
  11 #include <asm/io.h>
  12
  13 #include "emc2305.h"
  14
  15 DECLARE_GLOBAL_DATA_PTR;
  16
  17 void set_fan_speed(u8 data)
  18 {
  19         u8 index;
  20         u8 Fan[NUM_OF_FANS] = {I2C_EMC2305_FAN1,
  21                                I2C_EMC2305_FAN2,
  22                                I2C_EMC2305_FAN3,
  23                                I2C_EMC2305_FAN4,
  24                                I2C_EMC2305_FAN5};
  25
  26         for (index = 0; index < NUM_OF_FANS; index++) {
  27                 if (i2c_write(I2C_EMC2305_ADDR, Fan[index], 1, &data, 1) != 0) {
  28                         printf("Error: failed to change fan speed @%x\n",
  29                                Fan[index]);
  30                 }
  31         }
  32 }
  33
  34 void emc2305_init(void)
  35 {
  36         u8 data;
  37
  38         data = I2C_EMC2305_CMD;
  39         if (i2c_write(I2C_EMC2305_ADDR, I2C_EMC2305_CONF, 1, &data, 1) != 0)
  40                 printf("Error: failed to configure EMC2305\n");
  41 }